The Fort Peck Reservation is home to two separate American Indian Nations, each composed of numerous bands and divisions.
Fort Peck Assiniboine & Sioux Tribes
501 Medicine Bear Road
PO Box 1027
Poplar, Montana 59255
Historic Water Agreement
Poplar, Montana—The Assiniboine and Sioux Tribes of the Fort Peck Reservation and the Dry Prairie Rural Water Authority announce an historic agreement for the delivery of water from the Tribes’ intake and treatment facilities near Wolf Point to Dry Prairie customers throughout Montana’s northeastern corner. Praising the agreement, Fort Peck Tribal Chairman A.T. Stafne said, “We are very proud. This agreement represents decades of cooperation between the Tribes and its off-Reservation partners, and is a first of its kind in Montana.”